html,
body {
  height: 100%;
}
ul,
ol,
li {
  list-style: none;
  margin: 0;
  padding: 0;
}
.lt-layout {
  min-width: 320px;
  max-width: 640px;
  border: 1px solid red;
  height: 100%;
  margin: 0 auto;
  position: relative;
  padding: 45px 0 50px 0;
}
.lt-header {
  position: absolute;
  width: 100%;
  height: 45px;
  background-color: #006699;
  left: 0;
  top: 0;
  a {
    position: absolute;
    left: 0;
    top: 0;
    width: 45px;
    height: 45px;
    line-height: 45px;
    color: #fff;
    text-align: center;
  }
  .search {
    left: auto;
    right: 0;
  }
  h4 {
    padding: 0 45px;
    text-align: center;
    height: 45px;
    line-height: 45px;
    color: #fff;
    font-weight: normal;
    margin: 0;
  }
}

.lt-main {
  position: relative;
  height: 100%;
  .index-list {
    padding: 5px;
    li {
      width: 33.33%;
      float: left;
      a {
        img {
          width: 100%;
          display: block;
        }
      }
    }
  }
  .lt-product {
    padding: 5px;
    .item {
      width: 49%;
      text-align: center;
      float: left;
      img {
        width: 100%;
      }
      .new {
        color: red;
      }
    }
    .item:nth-child(even) {
      float: right;
    }
  }
}

.lt-footer {
  width: 100%;
  height: 50px;
  background-color: #006699;
  position: absolute;
  left: 0;
  bottom: 0;
  ul {
    li {
      padding-top: 5px;
      width: 25%;
      height: 50px;
      text-align: center;
      float: left;
      a {
        color: #fff;
        p {
          color: #fff;
          // 这个是滚轮动的时候，整个网页都在动
          margin-bottom: 0;
        }
      }
    }
    li.current {
      a,
      p {
        color: #daa520;
      }
    }
  }
}
